The Lightnwatchers 1：海城（The Sea City）

SummaryOne day in the future, the city is flooded, and the humans inadvertently open the portal connecting to the other world, from the other end of the door out of countless creatures from the other world, and the giant elder guardian also woke up and launched an attack on the humans. Exhausted by the attack, the survivors built a city under the sea along the coastline, Haicheng. In order to deal with the threat of alien creatures, the humans rebuilt their army to defend the city against the powerful Ancient guardians, and created the Lightn organization to fight dangerous creatures and rebel...